Finding the Fourth Proportional to 2,222.93, 3,067.59 and 1,228.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.93 : 3,067.59 = 1,228.22 : x
2. Step 2: Convert to fraction form
   2,222.93/3,067.59 = 1,228.22/x
3. Step 3: Cross multiply
   2,222.93x = 3,067.59 × 1,228.22
4. Step 4: Simplify right side
   2,222.93x = 3,767,675.39
5. Step 5: Solve for x
   x = 3,767,675.39/2,222.93
6. Step 6: Final answer
   x = 1,694.91